[Haskell-cafe] Success with Takusen (was: Type problem with simpletakusen code)

[Bayley, Alistair]

> To build a program, you need to do
> 
>     ghc --make db.hs -o db D:\Oracle\Ora92\bin\oci.dll
> 
> (put the path to your oci.dll here).
> 
> This compiles your program, and links it with oci.dll to get the
> Oracle externals resolved.


I've been working with Paul on his linking problems, and there's a
gotcha for Oracle 10 users. Apparently the folder that contains oci.dll,
typically $ORACLE_HOME/bin, can also include hsbase.dll, which has
something to do with "Heterogeneous Services". Obviously (this being
Windows, where filenames are not case sensitive) this clashes with GHC's
HSbase.dll; hence linker errors.

I'm not sure exactly what the solution should be; one obvious one is to
not include "Heterogeneous Services" in your installation. I'm also not
sure if this affects Oracle clients; Paul hinted that he was pointing at
a server installation folder, so a standard client installation is
likely to be OK.

Alistair
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